It is the Lake Chapala, near the city of Guadalajara.
Acapulco
Lake Michigan
The main mountain range on Mexico's west coast is the Sierra Madre Occidental range. It extends from close to the northern border southward for over 900 miles.
It is west of Mexico City, near Lake Capala.
west but not on the coast around lake Powell and such
The peninsula on Mexico's west coast is called the Baja California Peninsula. It is divided into two states: Baja California and Baja California Sur.
Chicago is neither west coast nor east coast. Chicago is on the southwestern coast of Lake Michigan.
The main mountain range on Mexico's west coast is called the Sierra Madre Occidental. It runs parallel to the Pacific Ocean and spans several states in Mexico.
Chilka
The Pacific Ocean is on the west coast of Mexico.
The Gulf of Mexico
California is on the west coast of the US, on the Pacific Ocean, between Oregon and Mexico.